USED AMD Ryzen 9 9900X3D PRICE
What a used AMD Ryzen 9 9900X3D is worth today, tracked from verified eBay sold listings so the numbers reflect what people actually paid — not what sellers are asking.
A used AMD Ryzen 9 9900X3D is currently worth about $317, based on verified eBay sold listings through October 6, 2026. The 30-day average is $301 and the 90-day average is $361. That is down 19.9% over the last 30 days, from $396. We have tracked 10 price points for this part since August 2026, with a recorded range of $252 – $405.
If you are buying a used AMD Ryzen 9 9900X3D
Anything up to about $379 is a normal market price from a seller who tested the part and will take it back. Around $325 is a good buy. Below that, work out why: untested, no returns, cosmetic damage, or missing accessories are all legitimate reasons for a discount — and all reasons the price should be lower. A price far under the range above, from a seller who won’t answer questions, is the oldest bait there is.
If you are selling one
Listing privately around $325 is realistic if you are willing to photograph it, answer questions, ship it, and absorb the occasional return. Selling it outright — to a shop, or as part of a whole machine — lands nearer $253, because the buyer is taking on the testing, the warranty and the time. Neither number is wrong; they price different amounts of work.
Recorded price history
Every dated observation we hold for the AMD Ryzen 9 9900X3D, newest first — each one the average of completed eBay sold listings for that week. All 10 readings since August 2026.
| Date | Average sold price | Change |
|---|---|---|
| $317 | +26.0% | |
| $252 | −19.2% | |
| $311 | −3.5% | |
| $323 | −18.5% | |
| $396 | no change | |
| $396 | −2.2% | |
| $405 | no change | |
| $405 | +1.0% | |
| $401 | −1.0% | |
| $405 | — |
Everything above is computed from 10 dated observations of completed eBay sold listings for the AMD Ryzen 9 9900X3D, the most recent from October 6, 2026. These are market values for a working, complete unit — not our asking price, and not an offer. How we calculate these prices →
None in stock right now. See what we do have → or check new arrivals.
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WEEKLY PRICE REPORT
